4089   }
4090   return false;
4091 }
4092 
4093 oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) {
4094   // See whether this is one of the class loaders associated with
4095   // the generated bytecodes for reflection, and if so, "magically"
4096   // delegate to its parent to prevent class loading from occurring
4097   // in places where applications using reflection didn't expect it.
4098   if (is_reflection_class_loader(loader)) {
4099     return parent(loader);
4100   }
4101   return loader;
4102 }
4103 
4104 oop java_lang_ClassLoader::unnamedModule(oop loader) {
4105   assert(is_instance(loader), "loader must be oop");
4106   return loader->obj_field(unnamedModule_offset);
4107 }
4108 










































4109 // Support for java_lang_System
4110 //
4111 #define SYSTEM_FIELDS_DO(macro) \
4112   macro(static_in_offset,  k, "in",  input_stream_signature, true); \
4113   macro(static_out_offset, k, "out", print_stream_signature, true); \
4114   macro(static_err_offset, k, "err", print_stream_signature, true); \
4115   macro(static_security_offset, k, "security", security_manager_signature, true)
4116 
4117 void java_lang_System::compute_offsets() {
4118   InstanceKlass* k = SystemDictionary::System_klass();
4119   SYSTEM_FIELDS_DO(FIELD_COMPUTE_OFFSET);
4120 }
4121 
4122 #if INCLUDE_CDS
4123 void java_lang_System::serialize(SerializeClosure* f) {
4124    SYSTEM_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
4125 }
4126 #endif
4127 
4128 int java_lang_System::in_offset_in_bytes() { return static_in_offset; }

4089   }
4090   return false;
4091 }
4092 
4093 oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) {
4094   // See whether this is one of the class loaders associated with
4095   // the generated bytecodes for reflection, and if so, "magically"
4096   // delegate to its parent to prevent class loading from occurring
4097   // in places where applications using reflection didn't expect it.
4098   if (is_reflection_class_loader(loader)) {
4099     return parent(loader);
4100   }
4101   return loader;
4102 }
4103 
4104 oop java_lang_ClassLoader::unnamedModule(oop loader) {
4105   assert(is_instance(loader), "loader must be oop");
4106   return loader->obj_field(unnamedModule_offset);
4107 }
4108 
4109 // Caller needs ResourceMark.
4110 const char* java_lang_ClassLoader::describe_external(const oop loader) {
4111   if (loader == NULL) {
4112     return "<bootstrap>";
4113   }
4114 
4115   bool well_known_loader = SystemDictionary::is_system_class_loader(loader) ||
4116                            SystemDictionary::is_platform_class_loader(loader);
4117 
4118   const char* name = NULL;
4119   oop nameOop = java_lang_ClassLoader::name(loader);
4120   if (nameOop != NULL) {
4121     name = java_lang_String::as_utf8_string(nameOop);
4122   }
4123   if (name == NULL) {
4124     // Use placeholder for missing name to have fixed message format.
4125     name = "<unnamed>";
4126   }
4127 
4128   stringStream ss;
4129   ss.print("\"%s\" (instance of %s", name, loader->klass()->external_name());
4130   if (!well_known_loader) {
4131     const char* parentName = NULL;
4132     oop pl = java_lang_ClassLoader::parent(loader);
4133     if (pl != NULL) {
4134       oop parentNameOop = java_lang_ClassLoader::name(pl);
4135       if (parentNameOop != NULL) {
4136         parentName = java_lang_String::as_utf8_string(parentNameOop);
4137         if (parentName == NULL) {
4138           parentName = "<unnamed>";
4139         }
4140       }
4141       ss.print(", child of \"%s\" %s", parentName, pl->klass()->external_name());
4142     } else {
4143       ss.print(", child of <bootstrap>");
4144     }
4145   }
4146   ss.print(")");
4147 
4148   return ss.as_string();
4149 }
4150 
4151 // Support for java_lang_System
4152 //
4153 #define SYSTEM_FIELDS_DO(macro) \
4154   macro(static_in_offset,  k, "in",  input_stream_signature, true); \
4155   macro(static_out_offset, k, "out", print_stream_signature, true); \
4156   macro(static_err_offset, k, "err", print_stream_signature, true); \
4157   macro(static_security_offset, k, "security", security_manager_signature, true)
4158 
4159 void java_lang_System::compute_offsets() {
4160   InstanceKlass* k = SystemDictionary::System_klass();
4161   SYSTEM_FIELDS_DO(FIELD_COMPUTE_OFFSET);
4162 }
4163 
4164 #if INCLUDE_CDS
4165 void java_lang_System::serialize(SerializeClosure* f) {
4166    SYSTEM_FIELDS_DO(FIELD_SERIALIZE_OFFSET);
4167 }
4168 #endif
4169 
4170 int java_lang_System::in_offset_in_bytes() { return static_in_offset; }